Lasers:Light Amplification by Stimulated Emission of Radiation.Lasers have become a ray of hope in dentistry.When used efficaciously and ethically, lasers are an exceptional modality of treatment for many clinical conditions that dental health professionals treat on a daily basis.Lasers are now becoming the treatment of choice by both clinicians and patients, and in some cases, the standard of care. Clinicians need to learn more about constantly updated technology and apply newly discovered methods and protocols to clinical situations to benefit patients and clinicians. Better understanding of tissue reaction and refining of the technique will improve the scope of lasers in clinical dentistry.